package com.example.springbootexamples.jsch;

import com.jcraft.jsch.*;
import java.awt.*;
import javax.swing.*;
import java.io.*;
import java.util.Date;

public class Exec{

    static int n=0;

    public static void main(String[] arg){
        new Thread(new Runnable() {
            @Override
            public void run() {

                while(true){
                    System.out.println(new Date() + "\t"+ ++n);
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }
        }).start();
        String host="h1";
        String user="user";
        String password="useruser";
        String command1="ls -ltr";
        command1="sleep 100000000";
        try{

            java.util.Properties config = new java.util.Properties();
            config.put("StrictHostKeyChecking", "no");
            JSch jsch = new JSch();

            Session session=jsch.getSession(user, host, 22);
            session.setTimeout(5000);

            session.setPassword(password);
            session.setConfig(config);
            session.connect();


            System.out.println("Connected");

            Channel channel=session.openChannel("exec");
            ((ChannelExec)channel).setCommand(command1);
            channel.setInputStream(null);
            ((ChannelExec)channel).setErrStream(System.err);

            InputStream in=channel.getInputStream();
            channel.connect();
            byte[] tmp=new byte[1024];
            while(true){
                while(in.available()>0){
                    int i=in.read(tmp, 0, 1024);
                    if(i<0)break;
                    System.out.print(new String(tmp, 0, i));
                }
                if(channel.isClosed()){
                    System.out.println("exit-status: "+channel.getExitStatus());
                    break;
                }
                try{Thread.sleep(1000);}catch(Exception ee){}
            }
            channel.disconnect();
            session.disconnect();
            System.out.println("DONE");
        }catch(Exception e){
            e.printStackTrace();
        }

    }
}
